Service bulletins for the 2018 Acura RDX
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
56 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with type: Other are shown. Show all
| ONL6T806032025 Acura Lett | 2025-07-01. Other. POWER TRAIN. Owner Notification Letter - Under certain circumstances, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the transmission indicator flashing “D” and sets DTC P0741 Torque Converter Clutch Circuit Performance or Stuck Off. |
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| ONL6T806032025 Acura Form | 2025-07-01. Other. POWER TRAIN. Owner Notification Letter - Under certain circumstances, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the transmission indicator flashing “D” and sets DTC P0741 Torque Converter Clutch Circuit Performance or Stuck Off. |
| BEBM04182025901 | 2025-04-29. Other. ENGINE. Dealer Message - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the MIL not illuminating. “D” flashes and “Transmission Overheat” message appears setting DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.